131142142113021 has 48 divisors (see below), whose sum is σ = 205363210695552. Its totient is φ = 80163193968000.

The previous prime is 131142142113011. The next prime is 131142142113023. The reversal of 131142142113021 is 120311241241131.

131142142113021 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 421 + 4 + 211 + 3 + 0 + 21 = 666.

It is not a de Polignac number, because 131142142113021 - 2³⁰ = 131141068371197 is a prime.

It is a super-2 number, since 2×131142142113021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131142142113023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 281078551 + ... + 281544731.

It is an arithmetic number, because the mean of its divisors is an integer number (4278400222824).

Almost surely, 2^{131142142113021} is an apocalyptic number.

It is an amenable number.

131142142113021 is a deficient number, since it is larger than the sum of its proper divisors (74221068582531).

131142142113021 is a wasteful number, since it uses less digits than its factorization.

131142142113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482274 (or 482271 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 131142142113021 its reverse (120311241241131), we get a palindrome (251453383354152).

The spelling of 131142142113021 in words is "one hundred thirty-one trillion, one hundred forty-two billion, one hundred forty-two million, one hundred thirteen thousand, twenty-one".